Underwater lighting module



FIG. 1 is a front three-quarter perspective view of the underwater lighting module;

FIG. 2 is a rear three-quarter perspective view of the underwater lighting module; and

FIG. 3 is a top view in plan of the underwater lighting module.

FIG. 4 is a bottom view in plan of the underwater lighting module. 

The ornamental design for an underwater lighting module, as shown. 